soapUI Pro license validation error using Java API

I am trying to create the soapUI Pro DataSource Test Step via the Java API and I keep getting an error about license validation. Should I be putting the license file somewhere specific?

Thanks!


10:21:24,698 ERROR [SoapUI] An error occured [java.lang.NullPointerException], see error log for details
java.lang.NullPointerException
at com.eviware.soapui.SoapUIPro.validateLicense(SourceFile:357)
at com.eviware.soapui.impl.wsdl.teststeps.registry.DataSourceStepFactory.createNewTestStep(SourceFile:37)
at com.omx.esb.test.SOAPUIUtil.createProject(SOAPUIUtil.java:50)
at com.omx.esb.test.TestMain.main(TestMain.java:32)